Separable speibtg-hinge



J. HIST.

SEPARABLE SPRING HINGE.

APPLICATION FILED MAY 9. 1916- INVENTOR, JOHN H15 Patented Aug. 15, 1916.

WITNESSES.-

THE NDRRIS PEYERS cuJmormuma. WASNINGYON. u. c.

JOHN Kiss, or ALLIANCE, onro.

SEPARABLE SPRING-HINGE.

To all whom it may concern:

Be itknown that 1, JOHN Hrsr, a citizen of the United States of America, residing at Alliance, in the county of Stark and State of Ohio, have invented certain new, and use ful Improvements in Separable Springfollowlng 1s a specifi- Q Hinges,of which the cation. l

My invention relates to improvements in separable spring hinges, and has for its object, the provision of a simple hinge, comprising two leaves separably and operatively connected by the actuating spring.

A further object is the provision of a cam and detent upon one of the leaves of the hinge, whereby the spring may be actuated into position for engagement by said detent, thereby releasing the tension upon the other leaf of the hinge, and permitting its removal or separation.

Further details of my said invention will appear in connection with a more specific statement of the structure embodying my invention and its use.

The spring hinge constructed in accordance with my invention, and preferably embodying the features thereof, comprises two hinge sections or leaves, which preferably are of stamped metal; the one having a sleeve or sleeves for receiving the pintle, and the other an open or substantially U- shaped pivotal section, adapted to be removably fitted. upon the pintle. A doubly coiled spring is mounted above and below the pivotal terminals respectively bearing upon the hinge sections, whereby they are operatively maintained in swinging relation, as longas the tension of the spring is exerted against both of said members. Associated with the sleeves, there are provided twoexpanding cam faces, terminating in detents, which cam faces are adapted to act upon acentra loop provided intermediately of the coils of the spring, whereby said loop is expanded, and finally permitted to sliprearwardly. of the detents, for relaxing the tension of the spring upon the separableleaf.

This construction, constituting one embodiment of my invention, is well illustrated in the accompanying drawings, wherem: Figure 1 1s a plan view of a spring hinge constructed as above defined, and in accordance with my invention. Fig. 2 is a trans- Specification of Letters Patent.

upon said pintle,

sleeves, with its Patented Aug. 15, 1916.

Application filed May 9, 1916. SeriaINo. 96,317

verse sectional view on line 22 of Fig. 1. Fig. 3 1s a slde elevation of the sprmg hinge. Fig. a shows in plan View a mod1- fled type of leaf and retainlng means. Fig.

5 is another plan view of the spring hinge, with the hinge sections or leaves thereof separated or disassembled. Fig. 6 is an end elevation of the same hinge, showing the sections in their separated relation, and

the spring under tension.

Throughout the several figures of the drawings, 1 have employed the same character of reference to indicate similar parts.

As stated, the hinge sections may well be constructed of stamped sheet metal, but I do not wish to be understood as necessarily limiting my invention thereto. In Fig. 1, however, I have shown a separable spring hinge formed of two stamped metal leaves a, b. The former is provided with an in termediate pivotal section a, which is rearwardly open in substantially U-shape, for the purpose of removably engaging the pintle of the hinge. It may with advantage, be centrally stiffened by a rib at a". The opposing hinge section or leaf 1), is con structed with two pivoted sleeves b, which are designed to receive the pintle of the hinge. These terminate in divergent cam faces, forming detents b; the purpose of which has already been indicated. The pintle 0, normally mounts a double coiled spring (Z, having its terminals (Z, retained by upstanding lugs (Z struck up from the hinge section b. An intermediate loop cl, connects the coils of said spring and bears upon the opposing hinge section a. The pressure of said spring, in consequence, serves to retain the rearwardly open pivotal member a, securely in position upon the pintle, and thereby operatively connects the hinge members in a manner that will be readily understood by those skilled in the art. Under these conditions, the two hinge sections or leaves, may be attached respectively to the door. and its jamb, which door is thereby mounted to swing a gainstthe tension of the spring, in the ordinary manner. The cam faces 6', are of such length, that the bases of the loop cl will ride part way on the cams, during the swinging of the door through its usual are, but upon forcing the door and hinge to approximately the completely open position, the loop portion of the hinge will ride up and down the divergent faces or edges of the cams, and be retained by the detents b", as indicated by dotted lines in Fig. 2 and by full lines in Figs. 5 and 6. As also shown by the said figures, the hinge sections are thereby free to be separated, and the door may be readily removed from its hinge mounting, inasmuch as the U-shaped pivotal part a of the leaf or hinge section, mounted upon the jamb, may be readily withdrawn from the pintle. Upon remounting the hinge sections and door in position, as shown in Figs. 1, 2 and 3, the loop of the spring may be slightly expanded to clear the cams or detents, whereupon the loop will snap into engagement with the hinge section a, as already described, and the parts of said hing will be operatively connected by the reaction of the spring thereon.

From a consideration of the foregoing, it will be appreciated that the spring hinge is not complicated in the least, by my improvements, and the hinge sections are merely provided with modified portions to subserve the purposes indicated, viZ., the eX- pansion and reaction of the loop of the spring, when the sections are separated, and the connection of the removable pivotal portion of the hinge under normal stress or tension of the spring. This construction therefore, permits separation of the hinge sections, without the removal of the pintle, and avoids the necessity for providing any additional hinge sections or parts, while permitting the specified members to be readily and cheaply made, as from stamped sheet metal.

In Fig. at, I have shown a modified type of hinge section conforming in part to my invention, as already described, and hereinafter claimed. In this modified member 6, the sleeves are formed from centrally punched lugs a, which are bent at right angles with the body of the hinge section, and are adapted to receive the pintle which is terminally supported in recessed brackets Z2 provided at the edges of the hinge section. A hook f, secured by its terminal loop in a lug 7, is adapted in this modified device to be inserted within a recess or bend, (Z of the spring, and retain it in its flexed position, in order to remove the tension thereof from the opposing hinge section. It will be understood that an opposing hinge section, such as shown upon the left in Figs. 1 and 5, is adapted to be used in connection with the member of Fig. i, for completing the hinge. Means are found in the hook 7, which require manual operation, as opposed to the automatic retention of the spring in the type of hinge previously described. Otherwise, the structure conforms to that already described in detail.

Having now described the preferred embodiment of my invention, I claim as new, and desire to secure by Letters Patent, the following, together with such modifications as may be made by one skilled in the art 11 ,a spring hinge, the combination with two co-acting leaves, one of which is provided with a substantially U-shaped pivotal member and the other with a sleeve, of a pintle adapted pivotally to unite said leaves, and a coiled spring mounted upon said pintle and bearing upon each of the leaves, whereby the pintle is normally engaged within the U-shaped retaining portion and the hinge is maintained in assembled relation, substantially as set forth.

2. In a spring hinge, the combination with two co-acting stamped metal hinge sections, one of which is provided with a sleeve member and the other with a rearwardly open pivotal member, of a pintle adapted to be inserted within said members, and a spring engaging said pintle and both of said hinge sections, whereby the pintle is normally maintained within the rearwardly open pivotal member and the hinge is held assembled for use, substantially as set forth.

3. In a spring hinge, the combination with two separable leaves or hinge sections, of a spring mounted at the knuckle of said leaves and normally maintaining the same in pivotal relation, one of said leaves hav ing a rearwardly open pivotal mounting, and the other with detaining means adapted temporarily to engage and restrain the spring, and a pintle normally uniting said leaves and spring,substantially as set forth.

t. In a spring hinge, the combination with two separable hinge sections, one of which is equipped with pivoting sleeves and a retaining detent and cam, and the other with a rearwardly open pivotal member, of a coiled spring mounted above and below upon the second named hinge section, and a pintle extending through the coils of said spring and normally maintaining the pivotal members of the leaves in co-acting relation, substantially as set forth. o. In a spring hinge, the combination with two stamped metal sections or leaves, of a pintle, a coiled spring upon said pintle reacting against both inge sections to maintain them in co-acting relation; one hinge section respectively being provided with an expanding camand detent, and the other with a rearwardly open pivotal member, whereby the hinge sections may be sep arated upon engaging the spring with the cam and detent, substantially as set forth.

6. A separable spring hinge structure, comprising two pivotally mounted hinge sections, a pintle pivotally uniting them, and a springre-acting against said pintle and both of said hinge sections to maintain them the pintle substantially U-shaped in in operative relation; one of said hinge sections having a pivotal member for engaging crosssection and open rearwardly, whereby it may be removed from the pintle upon relaX- ing the tension of the spring, substantially as set forth.

7. A separable spring hinge structure,

comprising two pivotally mounted hinge sections, a pintle pivotally uniting them, a

spring re-acting against said pintle and both of said hinge sections to maintain them in operative relation; one of said hinge sections having a pivotal member for engaging the pintle substantially Urshaped in crosssection, whereby it may be removed from the pintle upon relaxing the tension of the spring, and means provided upon the oppos- Gopies of this patent may be obtained for five cents each, by addressing the ing hinge section for temporarily restraining the spring, substantially as set forth.

8. In a spring hinge, the combination with two leaf-members, one of which is constructed with a transversely open knucklemember, of a pintle uniting them pivotally when under spring tension, a spring mount ed to react against said members, and means provided upon one of the leai'1ne1nbers for directly engaging and temporarily restraining the spring, substantially as set forth.

In testimony whereof I do now aflix my signature in the presence of two witnesses.

JOHN rnsr. a S

ALBERT LYNN LAWREN on.

Commissioner of Patents,

Washington, D. G. 

